#403347
Closest named color: Onyx (#343A40). oklch(34.3% 0.038 313.6), rgb(64, 51, 71).
Aa
White text reads best on this color (11.78:1).
About this color
#403347 is a dark, muted purple. In OKLCH its lightness is 34%, its chroma 0.038 and its hue 314°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.035 away. White text reads best on it, at 11.78:1.
| Hue family | Purples |
| Lightness | dark (34%) |
| Chroma | muted (0.038) |
| Temperature | in between |
| Nearest name | Onyx (#343A40) |
| Black text | 1.78:1 |
| White text | 11.78:1 |
Values
| HEX | #403347 |
| RGB | rgb(64, 51, 71) |
| HSL | hsl(279, 16%, 24%) |
| OKLCH | oklch(34.3% 0.038 313.6) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #403347 | 11.78:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #403347 | 1.78:1 | Fails | Lc 0.0 | Not readable |
| #403347 text on white | 11.78:1 | AAA | Lc 97.0 | Preferred for body text |
| #403347 text on black | 1.78:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 900.
-
Step 50
50
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8EE
oklch(93.6% 0.009 314.8)
-
Step 200
200
#DDD6E1
oklch(88.5% 0.017 313.6)
-
Step 300
300
#C7BBCE
oklch(80.8% 0.029 313.3)
-
Step 400
400
#AB99B5
oklch(70.8% 0.045 313.6)
-
Step 500
500
#967FA3
oklch(63% 0.059 313.3)
-
Step 600
600
#81688E
oklch(55.6% 0.065 313.9)
-
Step 700
700
#6D5779
oklch(49.2% 0.059 313.4)
-
Step 800
800
#594762
oklch(42.7% 0.049 314.3)
-
Step 900
900 (this color)
#403347
oklch(34.3% 0.038 313.6)
-
Step 950
950
#2B232F
oklch(27% 0.025 314.4)
#403347 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #303748 | 0.029 |
| Deuteranopia (no green cones) | #333846 | 0.027 |
| Tritanopia (no blue cones) | #40353A | 0.026 |
| Achromatopsia (no color) | #383838 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403347
#403347
oklch(34.3% 0.038 313.6)
- #313D29
#313D29
oklch(34.3% 0.037 133.3)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #403347, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.035
- Gunmetal #293241 ΔE 0.042
- Space Cadet #2B2D42 ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.049
- Dark Blue Grey #1F3B4D ΔE 0.052
- Prussian Blue #1D3557 ΔE 0.059
- Dark Grey Blue #29465B ΔE 0.065
- Charcoal #264653 ΔE 0.065
Use #403347 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.